diff --git a/README.md b/README.md
index d3604dae7..fda08d8a4 100644
--- a/README.md
+++ b/README.md
@@ -906,10 +906,10 @@ SOFTWARE.
 [ftp-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [ftp-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [ftp-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-firefly-iii]: https://github.com/hassio-addons/addon-firefly-iii/tree/48b56e6
-[addon-doc-firefly-iii]: https://github.com/hassio-addons/addon-firefly-iii/blob/48b56e6/README.md
+[addon-firefly-iii]: https://github.com/hassio-addons/addon-firefly-iii/tree/1507f5a
+[addon-doc-firefly-iii]: https://github.com/hassio-addons/addon-firefly-iii/blob/1507f5a/README.md
 [firefly-iii-issue]: https://github.com/hassio-addons/addon-firefly-iii/issues
-[firefly-iii-version-shield]: https://img.shields.io/badge/version-48b56e6-blue.svg
+[firefly-iii-version-shield]: https://img.shields.io/badge/version-1507f5a-blue.svg
 [firefly-iii-pulls-shield]: https://img.shields.io/docker/pulls/hassioaddons/firefly-iii-armhf.svg
 [firefly-iii-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [firefly-iii-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
diff --git a/firefly-iii/CHANGELOG.md b/firefly-iii/CHANGELOG.md
index 2ffd4f16a..4a8cbc59b 100644
--- a/firefly-iii/CHANGELOG.md
+++ b/firefly-iii/CHANGELOG.md
@@ -1 +1 @@
-- 🔨Add fi_FI locale
+- ⬆Update firefly-iii to 5.1.1
diff --git a/firefly-iii/README.md b/firefly-iii/README.md
index ac08d2445..c15e543d6 100644
--- a/firefly-iii/README.md
+++ b/firefly-iii/README.md
@@ -42,11 +42,11 @@ If you are more interested in stable releases of our add-ons:
 [buymeacoffee]: https://www.buymeacoffee.com/sinclairpaul
 [discord-shield]: https://img.shields.io/discord/478094546522079232.svg
 [discord]: https://discord.me/hassioaddons
-[docs]: https://github.com/hassio-addons/addon-firefly-iii/blob/48b56e6/README.md
+[docs]: https://github.com/hassio-addons/addon-firefly-iii/blob/1507f5a/README.md
 [forum-shield]: https://img.shields.io/badge/community-forum-brightgreen.svg
 [forum]: https://community.home-assistant.io/?u=frenck
 [maintenance-shield]: https://img.shields.io/maintenance/yes/2020.svg
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-48b56e6-blue.svg
-[release]: https://github.com/hassio-addons/addon-firefly-iii/tree/48b56e6
+[release-shield]: https://img.shields.io/badge/version-1507f5a-blue.svg
+[release]: https://github.com/hassio-addons/addon-firefly-iii/tree/1507f5a
 [screenshot]: https://github.com/hassio-addons/addon-firefly-iii/raw/master/images/screenshot.png
\ No newline at end of file
diff --git a/firefly-iii/config.json b/firefly-iii/config.json
index f46c1f678..1f105fe8c 100644
--- a/firefly-iii/config.json
+++ b/firefly-iii/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Firefly III",
-  "version": "48b56e6",
+  "version": "1507f5a",
   "slug": "firefly-iii",
   "description": "A free and open source personal finance manager",
   "url": "https://github.com/hassio-addons/addon-firefly-iii",